WhatSApp API, Flutter experience for a SaaS project

Budget: $4000.0 FIXED / ⭐ 0.00 (0) BWA

sql, python, d-language, mysql, google-firestore, desktop-applications, api, api-development, flutter

Required Tech Stack: WhatsApp-First Rental Management SaaS Backend · Node.js (Express.js or NestJS) · PostgreSQL or Firebase (Firestore) Frontend (Landlord Dashboard) · Flutter (iOS + Android) Messaging Integration · WhatsApp Business Cloud API (Experience with Twilio, Infobip, or direct Meta API) Authentication · Phone Number OTP (Africa's Talking, Twilio Verify, or Firebase Auth) Cloud Hosting · AWS, Google Cloud, or DigitalOcean Experience with multi-tenant SaaS architecture Experience building WhatsApp chatbots/webhooks

Apri su Upwork